private void HandleJavascriptContextCreated(CefFrame frame)
{
if (isDisposing)
{
return;
}
ExecuteWithAsyncErrorHandling(() => {
if (UrlHelper.IsChromeInternalUrl(frame.Url))
{
return;
}
lock (JsExecutors) {
if (isDisposing)
{
return;
}
var frameName = frame.Name;
if (this.IsMainFrame(frameName))
{
// when a new main frame in created, dispose all running executors -> since they should not be valid anymore
// all child iframes were gone
DisposeJavascriptExecutors(JsExecutors.Where(je => !je.Value.IsValid).Select(je => je.Key).ToArray());
}
var jsExecutor = GetJavascriptExecutor(frameName);
jsExecutor?.StartFlush(frame);
JavascriptContextCreated?.Invoke(frameName);
}
});
}
private void DisposeJavascriptExecutors(string[] executorsKeys)
{
foreach (var executorKey in executorsKeys)
{
var indexedExecutorKey = executorKey ?? "";
if (JsExecutors.TryGetValue(indexedExecutorKey, out var executor))
{
executor.Dispose();
JsExecutors.Remove(indexedExecutorKey);
}
}
}
private JavascriptExecutor GetJavascriptExecutor(string frameName)
{
if (isDisposing)
{
return(null);
}
lock (JsExecutors) {
if (isDisposing)
{
return(null);
}
var frameNameForIndex = frameName ?? "";
if (!JsExecutors.TryGetValue(frameNameForIndex, out var jsExecutor))
{
jsExecutor = new JavascriptExecutor(this, this.GetFrame(frameName));
JsExecutors.Add(frameNameForIndex, jsExecutor);
}
return(jsExecutor);
}
}
